CN112548567A

CN112548567A - Pipe bending equipment

Info

Publication number: CN112548567A
Application number: CN202011338719.8A
Authority: CN
Inventors: 白辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-03-26

Abstract

The invention relates to the field of civil engineering, in particular to a pipe bending device, wherein pipes are indispensable building materials in modern civil engineering, pipes with different bending degrees can be applied in different environments, the pipes with any angle can not be bent automatically by the traditional bending technology.

Description

Pipe bending equipment

Technical Field

The invention relates to the field of civil engineering, in particular to a pipe bending device.

Background

In modern civil engineering, tubular product is essential building material, and different bending degree's tubular product can be applied to different environment, and the arbitrary angle tubular product of bending that traditional bending technique can not be automatic has solved above-mentioned problem to this equipment.

Disclosure of Invention

The invention aims to provide a pipe bending device which can clamp and convey pipes with different diameters, bend the pipes with different diameters at different angles and cut the pipes.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a tubular product bending apparatus, includes the pay-off assembly, bends the assembly and cuts off the assembly, bend the assembly and cut off the assembly and all be connected with the pay-off assembly.

As a further optimization of the technical scheme, the feeding assembly comprises a side plate I, a side plate II, a motor I shaft, a bottom plate, a hydraulic system, a chain wheel I, a chain wheel II, a chain wheel III, a chain wheel II shaft, a limit slide block I, a tensioning spring, a limit slide block I sliding groove, a chain wheel III shaft, a limit slide block II, a pressing spring, a limit slide block II sliding groove, a conveying rubber roller, an oil pipe, a hydraulic cylinder, a telescopic rod, a clamp sliding groove, a distance limiting column, a threaded shaft bracket and a bending fixing rod, wherein the side plate I is connected with the bottom plate, the bottom plate is connected with the side plate II, the motor I is connected with the motor I shaft, the motor I shaft is rotationally connected with the side plate II, the hydraulic system is connected with the side plate I, the motor I shaft is connected with the chain wheel I, a chain wheel II shaft is rotatably connected with a limiting slide block I, the limiting slide block I is slidably connected with a limiting slide block I sliding groove, the limiting slide block I sliding groove is positioned on a side plate II, two ends of a tensioning spring are respectively connected with the limiting slide block I and the limiting slide block I sliding groove, the tensioning spring is in a compressed state, a chain wheel III is connected with a chain wheel III shaft, two ends of the chain wheel III shaft are respectively rotatably connected with two limiting slide blocks II, the two limiting slide blocks II are respectively slidably connected with two limiting slide block II sliding grooves, the two limiting slide block II sliding grooves are respectively positioned on the side plate I and the side plate II, two ends of a compression spring are respectively connected with the limiting slide block II and the two limiting slide block II sliding grooves, the compression spring is in a compressed state, the chain wheel III shaft is connected with a conveying rubber roller, a hydraulic system, anchor clamps all with anchor clamps spout sliding connection, two anchor clamps spouts all are located the bottom plate, anchor clamps are connected with the range post, threaded shaft and threaded shaft support threaded connection, and threaded shaft support is connected with curb plate II, and the threaded shaft is connected with the dead lever of bending, and the dead lever of bending contacts with II sliding connection of curb plate and curb plate I.

As a further optimization of the technical scheme, the bending assembly comprises a gear I, a gear II shaft, a connecting rod, a bending column, a reset spring bottom plate, a bending column chute, a friction coupling, an operating rod, a fixing plate, a limiting tooth, a sliding rod, an elastic sheet, a handle, a semi-ratchet wheel, an operating rod shaft, a limiting block shaft, a connecting slide block, an angle limiting block, a bending motor and a bending motor shaft, wherein the bending motor is connected with the bending motor shaft, the bending motor shaft is connected with the gear I, the bending motor shaft is rotatably connected with a side plate II, the gear I is meshed with the gear II, the gear II is connected with the gear II shaft, the gear II shaft is connected with the connecting rod, the gear II shaft is rotatably connected with the side plate II, the connecting rod is connected with the bending column, the bending column is slidably connected with the bending column chute, the two ends of a return spring are respectively connected with the bending column and a return spring bottom plate, the two ends of the return spring bottom plate are respectively connected with a side plate I and a side plate II, the return spring is in a normal state, the motor I is connected with a shaft of the motor I through a friction coupling, an operating rod is connected with a fixed plate and an operating rod shaft, the operating rod shaft is rotationally connected with the side plate I, the operating rod is rotationally connected with a limiting tooth, the limiting tooth is hinged with a sliding rod, the limiting tooth is contacted with a half ratchet wheel, the half ratchet wheel is connected with the side plate I, the sliding rod is slidably connected with the fixed plate, and the, spacing tooth is connected, shell fragment department compression state, slide bar and sliding connection, and the slide bar is connected with the handle, and the action bars rotates with the spacing axle to be connected, and the spacing axle is connected with link block, and link block is connected with the angle stopper, and link block, angle stopper all with the post spout sliding connection of bending.

As a further optimization of the technical scheme, the cutting-off assembly comprises a motor II, a motor II shaft, a belt wheel I, a belt wheel II shaft support, a disc, a sliding square cylinder, a rocker, a sector gear shaft support, a rack, a reciprocating press block, a slide rail, a cushion block, a cutting-off knife slide column, a support spring and a cutting-off knife limiting block, wherein the motor II is connected with the motor II shaft, the motor II shaft is rotationally connected with a side plate II, the motor II shaft is connected with the belt wheel I, the belt wheel I is connected with the belt wheel II through the belt, the belt wheel II is connected with the belt wheel II shaft, the belt wheel II shaft is rotationally connected with the belt wheel II shaft support, the belt wheel II shaft is respectively connected with the side plate II, the belt wheel II shaft is connected with the, the rocker is connected with sector gear, sector gear is connected with sector gear axle, sector gear axle rotates with sector gear axle support and is connected, two sector gear axle supports respectively with curb plate I, curb plate II is connected, sector gear is connected with the meshing of rack, the rack is connected with reciprocal briquetting, reciprocal briquetting and two slide rail sliding connection, two slide rails respectively with curb plate I, curb plate II is connected, cushion and slide rail sliding connection, cut-off cutter and two cut-off cutter travelers sliding connection, two cut-off cutter travelers respectively with curb plate I, curb plate II is connected, supporting spring cup joints on the cut-off cutter travelers, supporting spring is in the normality, a cut-off cutter stopper is connected with the cut-off cutter travelers.

As a further optimization of the technical scheme, the operating rod shaft and the bending fixed rod are positioned on the same vertical line.

The pipe bending equipment has the beneficial effects that: the pipe is placed into the lower portion of the conveying rubber roller along the clamp, the conveying rubber roller moves along with the diameter of the pipe and clamps the pipe tightly, the conveying rubber roller rotates to convey the pipe forwards, the pipe can be bent to a specified angle by the bending assembly, and the pipe can be cut off by the control cutting assembly.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a first schematic structural view of the feeding assembly 1 of the present invention;

FIG. 3 is a second schematic structural view of the feeding assembly 1 of the present invention;

FIG. 4 is a third schematic structural view of the feeding assembly 1 of the present invention;

FIG. 5 is a fourth schematic structural view of the feeding assembly 1 of the present invention;

FIG. 6 is a schematic view showing the structure of the feeding assembly 1 of the present invention;

FIG. 7 is a first schematic structural view of the bending assembly 2 of the present invention;

FIG. 8 is a second schematic structural view of the bending assembly 2 of the present invention;

fig. 9 is a schematic structural view three of the bending assembly 2 of the present invention;

FIG. 10 is a fourth schematic structural view of the bending assembly 2 of the present invention;

FIG. 11 is a fifth schematic structural view of the bending assembly 2 of the present invention;

fig. 12 is a first schematic structural view of the cutting assembly 3 of the present invention;

FIG. 13 is a second schematic structural view of the cutting assembly 3 of the present invention;

fig. 14 is a third schematic structural view of the cutting assembly 3 of the present invention.

In the figure: a feeding assembly 1; a side plate I1-1; a side plate II 1-2; 1-3 of a motor; 1-4 shafts of a motor I; 1-5 of a bottom plate; a hydraulic system 1-6; 1-7 of a chain wheel; 1-8 parts of chains; chain wheels II 1-9; 1-10 parts of a chain wheel III; 1-11 shafts of a chain wheel II; 1-12 parts of a limiting slide block; tensioning springs 1-13; the limiting slide block I comprises sliding grooves 1-14; 1-15 of a chain wheel III shaft; limiting sliding blocks II 1-16; 1-17 of a compression spring; the limiting slide block II comprises chutes 1-18; conveying rubber rollers 1-19; 1-20 parts of an oil pipe; 1-21 of a hydraulic cylinder; 1-22 parts of a telescopic rod; 1-23 parts of a clamp; 1-24 clamp chutes; 1-25 of a distance limiting column; a threaded shaft 1-26; threaded shaft supports 1-27; bending the fixing rod 1-28; bending the assembly 2; the bending assembly 2 comprises a gear I2-1; a gear II 2-2; 2-3 of a gear II shaft; 2-4 of a connecting rod; bending the column 2-5; 2-6 of a return spring; a return spring bottom plate 2-7; 2-8 of a bending column chute; 2-9 parts of a friction coupling; 2-10 of an operating rod; fixing plates 2-11; 2-12 parts of limiting teeth; 2-13 of a slide bar; 2-14 parts of spring pieces; 2-15 of a handle; 2-16 parts of a half ratchet wheel; an operating rod shaft 2-17; 2-18 of a limiting block shaft; connecting the sliding blocks 2-19; 2-20 parts of an angle limiting block; bending the motor 2-21; bending a motor shaft 2-22; cutting the assembly 3; a motor II 3-1; a shaft 3-2 of a motor II; 3-3 of a belt wheel; 3-4 parts of a belt; belt wheels II 3-5; 3-6 shafts of belt wheels II; shaft supports 3-7 of a belt wheel II; 3-8 of a disc; 3-9 parts of a sliding square barrel; 3-10 parts of a rocker; 3-11 parts of sector gear; sector gear shafts 3-12; sector gear shaft brackets 3-13; racks 3-14; 3-15 parts of reciprocating briquetting; 3-16 parts of a slide rail; 3-17 parts of cushion block; 3-18 parts of a cutting knife; cutting off the cutter sliding column 3-19; 3-20 parts of supporting springs; and 3-21 parts of a cutting-off cutter limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The fixed connection in the device is realized by fixing in modes of welding, thread fixing and the like, and different fixing modes are used in combination with different use environments; the rotary connection means that the bearing is arranged on the shaft in a drying mode, a spring retainer ring groove is formed in the shaft or the shaft hole, and the elastic retainer ring is clamped in the retainer ring groove to achieve axial fixation of the bearing and achieve rotation; the sliding connection refers to the connection through the sliding of the sliding block in the sliding groove or the guide rail, and the sliding groove or the guide rail is generally in a step shape, so that the sliding block is prevented from falling off in the sliding groove or the guide rail; the hinge joint is a movable connection mode on connecting parts such as a hinge, a pin shaft, a short shaft and the like; the required sealing positions are sealed by sealing rings or O-shaped rings.

The first embodiment is as follows:

the present embodiment is described below with reference to fig. 1 to 14, and a pipe bending apparatus includes a feeding assembly 1, a bending assembly 2, and a cutting assembly 3, where the bending assembly 2 and the cutting assembly 3 are connected to the feeding assembly 1.

The second embodiment is as follows:

the feeding assembly 1 comprises side plates I1-1, side plates II 1-2, motors I1-3, shafts 1-4 of the motors I, bottom plates 1-5, hydraulic systems 1-6, chain wheels I1-7, chains 1-8, chain wheels II 1-9, chain wheels III 1-10, shafts 1-11 of the chain wheels II, limiting sliding blocks I1-12, tensioning springs 1-13, sliding chutes 1-14 of the limiting sliding blocks I, shafts 1-15 of the chain wheels III, limiting sliding blocks II 1-16, compression springs 1-17, sliding chutes 1-18 of the limiting sliding blocks II, conveying rubber rollers 1-19, oil pipes 1-20, hydraulic cylinders 1-21, telescopic rods 1-22, a pressure spring 1-17, The clamp comprises clamps 1-23, clamp chutes 1-24, distance limiting columns 1-25, threaded shafts 1-26, threaded shaft supports 1-27 and bending fixing rods 1-28, wherein a side plate I1-1 is connected with a bottom plate 1-5, the bottom plate 1-5 is connected with a side plate II 1-2, a motor I1-3 is connected with a motor I shaft 1-4, a motor I shaft 1-4 is rotatably connected with the side plate II 1-2, a hydraulic system 1-6 is connected with the side plate I1-1, the motor I shaft 1-4 is connected with a chain wheel I1-7, the chain wheel I1-7 is connected with a chain wheel II 1-9 and a chain wheel III 1-10 through chains 1-8, the chain wheel II 1-9 is connected with a chain wheel II shaft 1-11, the chain wheel II shaft 1-11 is rotatably connected with a limiting slide block I1-12, the limiting slide blocks I1-12 are in sliding connection with the limiting slide blocks I1-14, the limiting slide blocks I1-14 are located on the side plates II 1-2, two ends of a tensioning spring 1-13 are respectively connected with the limiting slide blocks I1-12 and the limiting slide blocks I1-14, the tensioning spring 1-13 is in a compressed state, a chain wheel III 1-10 is connected with a chain wheel III shaft 1-15, two ends of the chain wheel III shaft 1-15 are respectively in rotating connection with two limiting slide blocks II 1-16, the two limiting slide blocks II 1-16 are respectively in sliding connection with the two limiting slide blocks II 1-18, the two limiting slide blocks II 1-18 are respectively located on the side plates I1-1 and the side plates II 1-2, two ends of a compression spring 1-17 are respectively in sliding connection with the limiting slide blocks II 1-16, Two limit slide blocks II sliding grooves 1-18 are connected, a compression spring 1-17 is in a compression state, a chain wheel III shaft 1-15 is connected with a conveying rubber roller 1-19, a hydraulic system 1-6 is connected with a hydraulic cylinder 1-21 through an oil pipe 1-20, the hydraulic cylinder 1-21 is connected with a telescopic rod 1-22 in a sliding manner, the telescopic rod 1-22 is connected with an outermost side clamp 1-23, the clamps 1-23 are connected with clamp sliding grooves 1-24 in a sliding manner, the two clamp sliding grooves 1-24 are positioned on a bottom plate 1-5, the clamps 1-23 are connected with distance limiting columns 1-25, a threaded shaft 1-26 is in threaded connection with a threaded shaft support 1-27, the threaded shaft support 1-27 is connected with a side plate II 1-2, and the threaded shaft 1-26 is connected with a bending fixing rod 1-, the bending fixing rod 1-28 is connected with the side plate II 1-2 in a sliding mode and is in contact with the side plate I1-1.

The third concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 14, and the embodiment further describes the first embodiment, the bending assembly 2 includes a bending assembly 2 including a gear i 2-1, a gear ii 2-2, a gear ii shaft 2-3, a connecting rod 2-4, a bending column 2-5, a return spring 2-6, a return spring bottom plate 2-7, a bending column chute 2-8, a friction coupling 2-9, an operating rod 2-10, a fixing plate 2-11, a limit tooth 2-12, a sliding rod 2-13, a spring plate 2-14, a handle 2-15, a half ratchet 2-16, an operating rod shaft 2-17, a limit block shaft 2-18, a connecting slide block 2-19, an angle limit block 2-20, a bending motor 2-21 and a bending motor shaft 2-22, the bending motor is connected with a bending motor shaft 2-22, the bending motor shaft 2-22 is connected with a gear I2-1, the bending motor shaft 2-22 is rotatably connected with a side plate II 1-2, the gear I2-1 is meshed with a gear II 2-2, the gear II 2-2 is connected with a gear II shaft 2-3, the gear II shaft 2-3 is connected with a connecting rod 2-4, the gear II shaft 2-3 is rotatably connected with the side plate II 1-2, the connecting rod 2-4 is connected with a bending column 2-5, the bending column 2-5 is slidably connected with a bending column chute 2-8, the bending column chute 2-8 is positioned in the side plate I1-1, two ends of a return spring 2-6 are respectively connected with the bending column 2-5 and a return spring bottom plate 2-7, two ends of a return spring bottom plate 2-7 are respectively connected with a side plate I1-1 and a side plate II 1-2, a return spring 2-6 is in a normal state, a motor I1-3 is connected with a motor I shaft 1-4 through a friction coupling 2-9, an operating rod 2-10 is connected with a fixing plate 2-11, the operating rod 2-10 is connected with an operating rod shaft 2-17, the operating rod shaft 2-17 is rotatably connected with the side plate I1-1, the operating rod 2-10 is rotatably connected with a limiting tooth 2-12, the limiting tooth 2-12 is hinged with a sliding rod 2-13, the limiting tooth 2-12 is contacted with a half ratchet wheel 2-16, the half ratchet wheel 2-16 is connected with the side plate I1-1, the sliding rod 2-13 is slidably connected with the fixing plate 2-11, and two ends of a spring plate 2-14 are respectively connected with, The limiting teeth 2-12 are connected, the elastic pieces 2-14 are in a compressed state, the sliding rods 2-13 are in sliding connection, the sliding rods 2-13 are connected with the handles 2-15, the operating rods 2-10 are in rotating connection with the limiting block shafts 2-18, the limiting block shafts 2-18 are connected with the connecting sliding blocks 2-19, the connecting sliding blocks 2-19 are connected with the angle limiting blocks 2-20, and the connecting sliding blocks 2-19 and the angle limiting blocks 2-20 are in sliding connection with the bending column sliding grooves 2-8.

The fourth concrete implementation mode:

the embodiment is described below by combining with figures 1-14, and the embodiment further describes the first embodiment, the cutting-off assembly 3 comprises a motor II 3-1, a motor II shaft 3-2, a belt pulley I3-3, a belt 3-4, a belt pulley II 3-5, a belt pulley II shaft 3-6, a belt pulley II shaft support 3-7, a disc 3-8, a sliding square cylinder 3-9, a rocker 3-10, a sector gear 3-11, a sector gear shaft 3-12, a sector gear shaft support 3-13, a rack 3-14, a reciprocating press block 3-15, a slide rail 3-16, a cushion block 3-17, a cutting-off knife 3-18, a cutting-off knife slide column 3-19, a support spring 3-20 and a cutting-off knife limiting block 3-21, the motor II 3-1 is connected with the motor II shaft 3-2, a motor II shaft 3-2 is rotationally connected with a side plate II 1-2, a motor II shaft 3-2 is connected with a belt wheel I3-3, the belt wheel I3-3 is connected with a belt wheel II 3-5 through a belt 3-4, the belt wheel II 3-5 is connected with a belt wheel II shaft 3-6, a belt wheel II shaft 3-6 is rotationally connected with a belt wheel II shaft bracket 3-7, the belt wheel II shaft brackets 3-7 are respectively connected with the side plates II 1-2, the belt wheel II shaft 3-6 is connected with a disc 3-8, the disc 3-8 is rotationally connected with a sliding square cylinder 3-9, the sliding square cylinder 3-9 is slidably connected with a rocker 3-10, the rocker 3-10 is connected with a sector gear 3-11, the sector gear 3-11 is connected with a sector gear shaft 3-12, the fan-shaped gear shaft 3-12 is rotatably connected with fan-shaped gear shaft brackets 3-13, the two fan-shaped gear shaft brackets 3-13 are respectively connected with a side plate I1-1 and a side plate II 1-2, the fan-shaped gear 3-11 is meshed with a rack 3-14, the rack 3-14 is connected with a reciprocating press block 3-15, the reciprocating press block 3-15 is slidably connected with two slide rails 3-16, the two slide rails 3-16 are respectively connected with the side plate I1-1 and the side plate II 1-2, a cushion block 3-17 is slidably connected with the slide rails 3-16, a cutting knife 3-18 is slidably connected with two cutting knife slide columns 3-19, the two cutting knife slide columns 3-19 are respectively connected with the side plate I1-1 and the side plate II 1-2, and a supporting spring 3-20 is sleeved on the cutting knife slide columns 3-19, the supporting springs 3-20 are in a normal state, and a cutting knife limiting block 3-21 is connected with the cutting knife sliding column 3-19.

The fifth concrete implementation mode:

the present embodiment is described below with reference to fig. 1 to 14, and the present embodiment further describes the first embodiment, in which the operation lever shafts 2 to 17 and the bending fixing bars 1 to 28 are located on the same vertical line.

The invention relates to a pipe bending device, which has the working principle that: starting a motor I1-3, driving a motor I shaft 1-4 to rotate by the motor I1-3, driving a chain wheel I1-7 to rotate by the motor I shaft 1-4, driving a chain wheel II 1-9 and a chain wheel III 1-10 to rotate by the chain wheel I1-7 through a chain 1-8, inserting the pipe into the bottom of a conveying rubber roller 1-19 along a clamp 1-23, driving a chain wheel III shaft 1-15 to ascend by the conveying rubber roller 1-19, driving a limiting slide block II 1-16 to ascend by the chain wheel III shaft 1-15, compressing a compression spring 1-17, compressing the chain wheel III 1-10, driving the chain wheel II 1-9 to ascend by the chain 1-8, driving a chain wheel II shaft 1-11 and a limiting slide block I1-12 to ascend through the chain 1-8 and slide in a limiting slide block I chute 1-14, the tensioning springs 1-13 are compressed, the chains 1-8 are tensioned to keep stable transmission, the chain wheels III 1-10 drive the chain wheel III shafts 1-15 to rotate, the chain wheel III shafts 1-15 drive the conveying rubber rollers 1-19 to rotate, the conveying rubber rollers 1-19 drive the pipes inserted into the bottom to advance and insert the pipes between the front clamps 1-23, the threaded shafts 1-26 are rotated, the threaded shafts 1-26 move under the action of threaded shaft supports 1-27 in threaded connection, the threaded shafts 1-26 drive the bending fixing rods 1-28 to slide up and down, the bending fixing rods 1-28 are adjusted to be in contact with the pipes without influencing the advance of the pipes, the bending is started, the hydraulic system 1-6 is controlled to inject oil and discharge oil into the two hydraulic cylinders 1-21 through the oil pipes 1-20, and the hydraulic system 1-6 is not described in detail in the prior art, the two telescopic rods 1-22 extend to drive the clamps 1-23 to slide in the clamp chutes 1-24 to clamp the pipe, the conveying rubber rollers 1-19 begin to slip and cannot push the pipe continuously, the operating rods 2-10 are shaken, the operating rods 2-10 rotate around the operating rod shafts 2-17, the lifting handles 2-15 are lifted, the lifting handles 2-15 drive the sliding rods 2-13 to slide in the fixing plates 2-11, the sliding rods 2-13 drive the hinged limiting teeth 2-12 to rotate around the operating rods 2-10, the elastic sheets 2-14 are compressed, the limiting teeth 2-12 are not in contact with the half ratchet wheels 2-16 at the moment, the angle between the operating rods 2-10 and the horizontal plane is adjusted according to the required bending angle, the lifting handles 2-15 are loosened after the adjustment is finished, and the limiting teeth 2-12 are limited on the half ratchet wheels 2-16 and cannot move backwards under the action of the elastic sheets 2-14, the bending machine does not move forwards when no external force is applied, the operating rod 2-10 drives the connecting slide block 2-19 and the angle limiting block 2-20 to move in the bending column chute 2-8, the bending motor 2-21 is started, the bending motor 2-21 drives the bending motor shaft 2-22 to rotate through the friction coupling 2-9, the bending motor shaft 2-22 drives the gear I2-1 to rotate, the gear I2-1 drives the gear II 2-2 to rotate in a speed reducing way, the gear II 2-2 drives the gear II shaft 2-3 to rotate, the gear II shaft 2-3 drives the connecting rod 2-4 to rotate, the connecting rod 2-4 drives the bending column 2-5 to slide in the bending column chute 2-8, the bending column 2-5 is lifted to bend the pipe by taking the bending fixing rod 1-28 as a bending point, the pipe bending position can not generate large deformation under the clamping action of the clamp 1-23, the cylinder structure is maintained, when one end of the bending column 2-5 is contacted with the angle limiting block 2-20, the angle limiting block 2-20 can not move, the bending column 2-5 can not move, the friction coupling 2-9 starts to slip, the pipe is bent completely, the bending motor 2-21 is closed, the bending column 2-5 is reset under the action of the tension of the reset spring 2-6 to wait for the next bending operation, when the bending is finished and is ready to be cut off, the motor II 3-1 is started, the motor II 3-1 drives the motor II shaft 3-2 to rotate, the motor II shaft 3-2 drives the belt wheel I3-3 to rotate, and the belt wheel I3-3 drives the belt wheel II 3-5 to rotate through the belt 3-4, the belt wheel II 3-5 drives a belt wheel II shaft 3-6 to rotate, the belt wheel II shaft 3-6 drives a disc 3-8 to rotate, the disc 3-8 drives a rocker 3-10 to swing up and down through a sliding square barrel 3-9, the sliding square barrel 3-9 slides on the rocker 3-10, the rocker 3-10 drives a sector gear 3-11 to rotate back and forth around a sector gear shaft 3-12, the sector gear 3-11 drives a reciprocating pressing block 3-15 to slide back and forth in a sliding rail 3-16 through a rack 3-14, the reciprocating pressing block 3-15 does not push a cutting knife 3-18 to cut off the pipe downwards at the moment, when cutting off is needed, the cushion block 3-17 is pushed, the cushion block 3-17 moves to the lower part of the reciprocating pressing block 3-15, the reciprocating pressing block 3-15 drives the cutting knife 3-18 to move downwards through the cushion block 3-, the cushion blocks 3-17 are pulled out, and the cutting knives 3-18 are reset under the action of the supporting springs 3-20.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a tubular product bending apparatus, includes pay-off assembly (1), bending assembly (2) and cuts off assembly (3), its characterized in that: the bending assembly (2) and the cutting assembly (3) are both connected with the feeding assembly (1).

2. A pipe bending apparatus according to claim 1, wherein: the feeding assembly (1) comprises a side plate I (1-1), a side plate II (1-2), a motor I (1-3), a motor I shaft (1-4), a bottom plate (1-5), a hydraulic system (1-6), a chain wheel I (1-7), a chain (1-8), a chain wheel II (1-9), a chain wheel III (1-10), a chain wheel II shaft (1-11), a limiting slide block I (1-12), a tensioning spring (1-13), a limiting slide block I sliding groove (1-14), a chain wheel III shaft (1-15), a limiting slide block II (1-16), a pressing spring (1-17), a limiting slide block II sliding groove (1-18), a conveying rubber roller (1-19), an oil pipe (1-20), a hydraulic cylinder (1-21), The bending machine comprises telescopic rods (1-22), clamps (1-23), clamp sliding grooves (1-24), distance limiting columns (1-25), threaded shafts (1-26), threaded shaft supports (1-27) and bending fixing rods (1-28), a side plate I (1-1) is connected with a bottom plate (1-5), the bottom plate (1-5) is connected with a side plate II (1-2), a motor I (1-3) is connected with a motor I shaft (1-4), the motor I shaft (1-4) is rotatably connected with the side plate II (1-2), a hydraulic system (1-6) is connected with the side plate I (1-1), the motor I shaft (1-4) is connected with a chain wheel I (1-7), and the chain wheel I (1-7) is connected with a chain wheel II (1-9) through a chain (1-8), The chain wheel III (1-10) is connected, the chain wheel II (1-9) is connected with the chain wheel II shaft (1-11), the chain wheel II shaft (1-11) is rotatably connected with the limiting slide block I (1-12), the limiting slide block I (1-12) is slidably connected with the limiting slide block I sliding groove (1-14), the limiting slide block I sliding groove (1-14) is positioned on the side plate II (1-2), two ends of the tensioning spring (1-13) are respectively connected with the limiting slide block I (1-12) and the limiting slide block I sliding groove (1-14), the tensioning spring (1-13) is in a compressed state, the chain wheel III (1-10) is connected with the chain wheel III shaft (1-15), two ends of the chain wheel III shaft (1-15) are respectively rotatably connected with the two limiting slide blocks II (1-16), and the two limiting slide blocks II (1-16) are respectively slidably connected with the two limiting slide block II sliding grooves (1-18) The two limiting slide blocks II sliding chutes (1-18) are respectively positioned on the side plate I (1-1) and the side plate II (1-2), two ends of a compression spring (1-17) are respectively connected with the limiting slide blocks II (1-16) and the two limiting slide blocks II sliding chutes (1-18), the compression spring (1-17) is in a compression state, a chain wheel III shaft (1-15) is connected with a conveying rubber roller (1-19), a hydraulic system (1-6) is connected with a hydraulic cylinder (1-21) through an oil pipe (1-20), the hydraulic cylinder (1-21) is in sliding connection with a telescopic rod (1-22), the telescopic rod (1-22) is connected with an outermost side clamp (1-23), and the clamps (1-23) are in sliding connection with clamp sliding chutes (1-24), the two clamp sliding grooves (1-24) are located on the bottom plate (1-5), the clamps (1-23) are connected with the distance limiting columns (1-25), the threaded shafts (1-26) are in threaded connection with the threaded shaft supports (1-27), the threaded shaft supports (1-27) are connected with the side plates II (1-2), the threaded shafts (1-26) are connected with the bending fixing rods (1-28), and the bending fixing rods (1-28) are in sliding connection with the side plates II (1-2) and are in contact with the side plates I (1-1).

3. A pipe bending apparatus according to claim 1, wherein: the bending assembly (2) comprises a bending assembly (2) which comprises a gear I (2-1), a gear II (2-2), a gear II shaft (2-3), a connecting rod (2-4), a bending column (2-5), a reset spring (2-6), a reset spring bottom plate (2-7), a bending column chute (2-8), a friction coupling (2-9), an operating rod (2-10), a fixing plate (2-11), a limiting tooth (2-12), a sliding rod (2-13), an elastic sheet (2-14), a handle (2-15), a half ratchet wheel (2-16), an operating rod shaft (2-17), a limiting block shaft (2-18), a connecting sliding block (2-19), an angle limiting block (2-20), a bending motor (2-21) and a bending motor shaft (2-22), the bending motor is connected with a bending motor shaft (2-22), the bending motor shaft (2-22) is connected with a gear I (2-1), the bending motor shaft (2-22) is rotationally connected with a side plate II (1-2), the gear I (2-1) is meshed with the gear II (2-2), the gear II (2-2) is connected with a gear II shaft (2-3), the gear II shaft (2-3) is connected with a connecting rod (2-4), the gear II shaft (2-3) is rotationally connected with the side plate II (1-2), the connecting rod (2-4) is connected with a bending column (2-5), the bending column (2-5) is slidably connected with a bending column chute (2-8), the bending column chute (2-8) is positioned in the side plate I (1-1), two ends of a return spring (2-6) are respectively connected with a bending column (2-5) and a return spring bottom plate (2-7), two ends of the return spring bottom plate (2-7) are respectively connected with a side plate I (1-1) and a side plate II (1-2), the return spring (2-6) is in a normal state, a motor I (1-3) is connected with a shaft (1-4) of the motor I through a friction coupling (2-9), an operating rod (2-10) is connected with a fixed plate (2-11), the operating rod (2-10) is connected with an operating rod shaft (2-17), the operating rod shaft (2-17) is rotatably connected with the side plate I (1-1), the operating rod (2-10) is rotatably connected with a limiting tooth (2-12), and the limiting tooth (2-12) is hinged with a sliding rod (2-13), the limiting teeth (2-12) are in contact with the half ratchet wheels (2-16), the half ratchet wheels (2-16) are connected with the side plate I (1-1), the sliding rods (2-13) are in sliding connection with the fixing plates (2-11), two ends of the elastic pieces (2-14) are respectively connected with the fixing plates (2-11) and the limiting teeth (2-12), the elastic pieces (2-14) are in a compressed state, the sliding rods (2-13) are in sliding connection with the sliding rods (2-13), the sliding rods (2-13) are connected with the handles (2-15), the operating rods (2-10) are in rotating connection with limiting block shafts (2-18), the limiting block shafts (2-18) are connected with the connecting sliding blocks (2-19), the connecting sliding blocks (2-19) are connected with the angle limiting blocks (2-20), and the connecting sliding blocks (2-19) are connected, The angle limiting blocks (2-20) are all connected with the bending column sliding grooves (2-8) in a sliding mode.

4. A pipe bending apparatus according to claim 1, wherein: the cutting-off assembly (3) comprises a motor II (3-1), a motor II shaft (3-2), a belt wheel I (3-3), a belt (3-4), a belt wheel II (3-5), a belt wheel II shaft (3-6), a belt wheel II shaft bracket (3-7), a disc (3-8), a sliding square barrel (3-9), a rocker (3-10), a sector gear (3-11), a sector gear shaft (3-12), a sector gear shaft bracket (3-13), a rack (3-14), a reciprocating press block (3-15), a sliding rail (3-16), a cushion block (3-17), a cutting-off knife (3-18), a cutting-off knife sliding column (3-19), a supporting spring (3-20) and a cutting-off knife limiting block (3-21), the motor II (3-1) is connected with the motor II shaft (3-2), the motor II shaft (3-2) is rotatably connected with the side plate II (1-2), the motor II shaft (3-2) is connected with the belt wheel I (3-3), the belt wheel I (3-3) is connected with the belt wheel II (3-5) through a belt (3-4), the belt wheel II (3-5) is connected with the belt wheel II shaft (3-6), the belt wheel II shaft (3-6) is rotatably connected with the belt wheel II shaft bracket (3-7), the belt wheel II shaft bracket (3-7) is respectively connected with the side plate II (1-2), the belt wheel II shaft (3-6) is connected with the disc (3-8), the disc (3-8) is rotatably connected with the sliding square barrel (3-9), the sliding square barrel (3-9) is slidably connected with the rocker (3-10), the rocker (3-10) is connected with a sector gear (3-11), the sector gear (3-11) is connected with a sector gear shaft (3-12), the sector gear shaft (3-12) is rotationally connected with a sector gear shaft bracket (3-13), the two sector gear shaft brackets (3-13) are respectively connected with a side plate I (1-1) and a side plate II (1-2), the sector gear (3-11) is meshed with a rack (3-14), the rack (3-14) is connected with a reciprocating press block (3-15), the reciprocating press block (3-15) is slidably connected with two slide rails (3-16), the two slide rails (3-16) are respectively connected with the side plate I (1-1) and the side plate II (1-2), and a cushion block (3-17) is slidably connected with the slide rails (3-16), the cutting-off knife (3-18) is connected with two cutting-off knife sliding columns (3-19) in a sliding mode, the two cutting-off knife sliding columns (3-19) are respectively connected with the side plate I (1-1) and the side plate II (1-2), the supporting spring (3-20) is sleeved on the cutting-off knife sliding columns (3-19), the supporting spring (3-20) is in a normal state, and one cutting-off knife limiting block (3-21) is connected with the cutting-off knife sliding columns (3-19).

5. Cutting combination (3) according to claim 4, characterized in that: the operating rod shafts (2-17) and the bending fixing rods (1-28) are positioned on the same vertical line.